Uncovering the missing medicaid cases and assessing their bias for estimates of the uninsured

Kathleen Thiede Call, Gestur Davidson, Anna Stauber Sommers, Roger Feldman, Paul Farseth, Todd Rockwood

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

General population surveys of health insurance coverage are thought to undercount Medicaid enrollment, which may bias estimates of the uninsured. This article describes the results of an experiment undertaken in conjunction with a general population survey in Minnesota. Responses to health insurance questions by a known sample of public program enrollees are analyzed to determine possible reasons for the undercount and the amount of bias introduced in estimates of uninsured people. While public program enrollees often misreport the type of coverage they have, the impact on estimates of those without insurance is negligible. Restrictions to generalizing the finding beyond this study are discussed.

Original languageEnglish (US)
Pages (from-to)396-408
Number of pages13
JournalInquiry
Volume38
Issue number4
DOIs
StatePublished - Jan 1 2001

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